SIE.8:11 - SoTA-Echoing
The best-known line combines declarative mappings, virtual knowledge-graph systems, data federation, materialized integration, and operational data-product practice. The serious default alternatives are “materialize one canonical graph” and “federate everything live”. Each can be correct under conditions; each is defective as a universal answer because it hides a different set of currentness, access, provenance, and recovery obligations. SIE.8 mutates the line into a whole-arrangement choice around one semantic result.
| Source line | Adopt, adapt, or reject | Role and limit |
|---|---|---|
| Ontop virtual-KG line | adapt | Demonstrates query-time virtual realization over mappings; it does not make virtual RDF mandatory or supply source access and receiving acceptance. |
| R2RML | adapt | Supplies one declarative mapping form usable in virtual or materialized arrangements; relational/RDF technology is optional. |
| Data on the Web Best Practices | adapt | Contributes access, version, provenance, reuse, and persistence questions; Web publication is not required. |
| universal canonical graph | reject as default | Materialization is one candidate and cannot transfer source authority or erase incompatibility. |
| universal live federation | reject as default | Query-time access does not guarantee freshness, availability, permitted disclosure, or reproducibility. |
Reopen when source access or replication rights change, measured latency/availability defeats the use, refresh/invalidation fails, mapping or source semantics change, security/provenance conditions change, or a new candidate materially improves the comparison.